—Tony, your room is really untidy. You should _________ your things to keep the room clean.—OK, Mum! I’ll do it at once.
—Where does he ____?—He ____ in Beijing.
—Who’s the girl in black?—Sorry, I don’t know ____. I think ____ is new.
—What does she ____ in the letter?—She wants to visit my school.
Children don’t write _________, because they didn’t have __________.
--I’m going to Beijing with my parents for vacation next week.--_________.